Xeon 5148 vs Ultra 7 255H

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	434	3252
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	30.13	3.05
Market segment	Laptop	Server
Power efficiency	26.43	0.45
Designer	Intel	Intel
Manufacturer	TSMC	no data
Architecture codename	Arrow Lake-H (2025)	Woodcrest (2006)
Release date	13 January 2025 (1 year ago)	June 2006 (19 years ago)
Launch price (MSRP)	$514	$9

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 7 255H has 888% better value for money than Xeon 5148.

Performance to price scatter graph

Detailed specifications

Basic parameters of Core Ultra 7 255H and Xeon 5148: number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	16 (Hexadeca-Core)	2 (Dual-core)
Performance-cores	6	no data
Efficient-cores	8	no data
Low Power Efficient-cores	2	no data
Threads	16	2
Base clock speed	2 GHz	no data
Boost clock speed	5.1 GHz	2.33 GHz
L1 cache	192 KB (per core)	0 KB
L2 cache	3 MB (per core)	4 MB
L3 cache	24 MB (shared)	0 KB
Chip lithography	3 nm	65 nm
Maximum core temperature	110 °C	no data
64 bit support	+	+
Windows 11 compatibility	no data	-

Compatibility

Information on Core Ultra 7 255H and Xeon 5148 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	FCBGA2049	771
Power consumption (TDP)	28 Watt	40 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 255H and Xeon 5148. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	-	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-
Supported AI Software Frameworks	OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN	-

Security technologies

Core Ultra 7 255H and Xeon 5148 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 255H and Xeon 5148 are enumerated here.

VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 255H and Xeon 5148. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-6400	DDR2
Maximum memory size	128 GB	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® Arc™ 140T GPU	no data
Quick Sync Video	+	-
Graphics max frequency	2.25 GHz	no data

Graphics interfaces

Available interfaces and connections of Core Ultra 7 255H and Xeon 5148 integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 255H and Xeon 5148 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS)7680 x 4320 @ 60Hz (HDMI 2.1 FRL)	no data
Max resolution over eDP	3840 x 2400 @ 120Hz	no data
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	no data

Graphics API support

APIs supported by Core Ultra 7 255H and Xeon 5148 integrated GPUs, sometimes API versions are included.

DirectX	12.2	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 255H and Xeon 5148.

PCIe version	5.0 and 4.0	no data
PCI Express lanes	24	no data

Synthetic benchmarks

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating.

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Pros & cons summary

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Performance score	17.54	0.43
Physical cores	16	2
Threads	16	2
Chip lithography	3 nm	65 nm
Power consumption (TDP)	28 Watt	40 Watt